Ion
Formula
Ammonium
NH₄⁺
Hydroxide
OH⁻
Cyanide
CN⁻
Sulfate
SO₄²⁻
Sulfite
SO₃²⁻
Nitrate
NO₃⁻
Nitrite
NO₂⁻
Acetate
C₂H₃O₂⁻
Carbonate
CO₃²⁻
Phosphate
PO₄³⁻
Hypochlorite
ClO⁻
Chlorite
ClO₂⁻
Chlorate
ClO₃⁻
Perchlorate
ClO₄⁻